NB/T 47021  法兰 C-RF 550-1.6/12 r

1 CRF 550-1.612 r

LWN 400-150 RF H=300p@°F5@P MFMFM

WN 40-300 RJ Sch60h100L RF Ⅱpamp;a

PL 100-25 RF66000 h=1H82fc0=175 c=19-

WN 40-600 RF Sch80S0h40 A R0RFF2=2016=1182RF

WN 400(B)-10 RF S=12F Sch16

PL 200(B)-10 fF D=280 B=152.

PL 20(A)-40 RF@BIIF4